126766860 has 144 divisors (see below), whose sum is σ = 411129600. Its totient is φ = 29082240.

The previous prime is 126766853. The next prime is 126766873. The reversal of 126766860 is 68667621.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137481 + ... + 138399.

Almost surely, 2^126766860 is an apocalyptic number.

126766860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126766860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205564800).

126766860 is an abundant number, since it is smaller than the sum of its proper divisors (284362740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126766860 is a wasteful number, since it uses less digits than its factorization.

126766860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 126766860 is about 11259.0790031867. The cubic root of 126766860 is about 502.3447999703.

The spelling of 126766860 in words is "one hundred twenty-six million, seven hundred sixty-six thousand, eight hundred sixty".